Siemens FS-250 Spécifications télécharger pdf (Page 39)

FS-250 Installation and Operation Manual

Auxiliary Power Supply

*Connect a PAD-3 auxiliary supply when power requirement calculation indicates that an

additional source is required. For further information, refer to Appendix D.

Battery Size Calculations

For calculation of battery size requirements see Appendix A.

NAC Wiring

At the lower right corner of the main board are the terminal blocks (TB12, TB13) are used

for the connection of notification appliances. Four individual NACs marked 1 through 4 are

provided and the polarity shown is when the NAC is activated.

Use the following table to configure the NACs for either class A or class B operation.

NAC #s Class “B”

Operation

Paired Class

“A” Operation

1,2 JP1 JP2

3,4 JP3 JP4

NAC Rating:

larm Voltage: 24V FW nominal

Max. Alarm Current: 1.5A/NAC circuit

Max. Ripple: 16VAC

Max. Wire Voltage Drop: 1.0VDC

Max. Standby Current: 1.0mA

NOTE: The maximum total current for the FS-250

NACs is 3.0A and 6.0A with the optional additional

FS-NPE Transformer.

Typical Notification Appliance Circuit

Style Z, Class A

Supervised, Power Limited

See A

endix B for Com

atible Devices

Typical Notification Appliance Circuit

Style Y, Class B

Supervised, Power Limited

See A

endix B for Com

atible Devices

See Chart for NAC Jumper

Configurations

Polarity Shown

In activated Condition

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Siemens FS-250 Spécifications Page 39

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